Improving over previous models the opticron hr 66 ed angled spotting scope offers sharper images particularly at higher magnifications and in difficult lighting conditions thanks to the extra low dispersion ed glass elements built to withstand extreme conditions this scope is equally at home in the tropics or the polar regions with its fully waterproofed and hermetically sealed rubber armoured body lighter in weight than its 80mm big brother this is an ideal scope for long days in the fie